About: http://webisa.webdatacommons.org/238873060

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Rail Interface System (RIS, sometimes also referred to as Rail Accessory System, RAS) is a generic term for a system for attaching accessories to small firearms such as pistols, rifles and light machine guns.
http://www.w3.org/ns/prov#wasQuotedFrom	cyclopaedia.info